The equation `(ay-bx)^(2)+4xy=0` has rational solutions `x`, `y` for

If the equation x^(2) + y^(2) -2xy sin^(2)theta=0 contains real solution for x and y, then

By translating the axes the equation xy-2x-3y-4=0 has changed to XY=k, then k=

If the system of linear equations x=cy+bz , y=az+cx , z=bx+ay has a non trivial solution show that a^2+b^2+c^2+2abc=1

The pairs of equations 4x-2y+6=0 and 2x-y+8=0 has………solutions.

The system of equations ax-y-z=a-1,x-ay-z=a-1,x-y-az=a-1 has no solution,if a is

If the system of equations 2x+ay+6z=8, x+2y+z=5, 2x+ay+3z=4 has a unique solution then 'a' cannot be equal to :

If the system of equations 2x+ay+6z=8, x+2y+z=5, 2x+ay+3z=4 has a unique solution then 'a' cannot be equal to :

If the system of equations x+ay=0,az+y=0, and ax+z=0 has infinite solutions,then the value of equation has no solution is -3 b.1 c.0 d.3